Home / 123,824.64-170,876.88-67,232.64

Finding the Fourth Proportional to 123,824.64, 170,876.88 and 67,232.64

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Solution

The fourth proportional to 123,824.64, 170,876.88 and 67,232.64 is: 92,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,824.64 : 170,876.88 = 67,232.64 : x
  2. Step 2: Convert to fraction form
    123,824.64/170,876.88 = 67,232.64/x
  3. Step 3: Cross multiply
    123,824.64x = 170,876.88 × 67,232.64
  4. Step 4: Simplify right side
    123,824.64x = 11,488,503,757.36
  5. Step 5: Solve for x
    x = 11,488,503,757.36/123,824.64
  6. Step 6: Final answer
    x = 92,780.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.